Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 546

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-546 A Port Arthur TX BUMTTXTEX1Y  516J TON80 COMMUNICATIONS, LLC 562      
409-546 1 Port Arthur TX BUMTTXTEXUX  624H ONVOY SPECTRUM, LLC 562   2023-12-10   
409-546 4 Port Arthur TX BUMTTXTEX1Y  516J TON80 COMMUNICATIONS, LLC 562   2022-04-24   
409-546 8 Port Arthur TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-19   
409-546 9 Port Arthur TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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